diff --git a/.gitignore b/.gitignore
index 4ebc714..f15703f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 /frontend_dist/
 *.tsbuildinfo
 .idea/
+/third_party/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index b1c47d3..19f41bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,6 +11,7 @@ set(adminive_package_includes
         "/frontend/"
         "/README.md"
         "/scripts/"
+        "/thirty_party/"
 )
 set(adminive_package_excludes
         "/.git/"
diff --git a/third_party/init.bash b/third_party/init.bash
new file mode 100644
index 0000000..92c784a
--- /dev/null
+++ b/third_party/init.bash
@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+set -euo pipefail
+root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$root"
+origin="$(git remote get-url origin)"
+origin="${origin%/}"
+remote_root="$(printf '%s\n' "$origin" | sed -E 's#/[^/]+(\.git)?$##')"
+get_default_branch() {
+  local repo="$1"
+  local branch
+  branch="$(git ls-remote --symref "$repo" HEAD | awk '$1 == "ref:" {
+    sub("^refs/heads/", "", $2)
+    print $2
+    exit
+  }')"
+  if [ -z "$branch" ]; then
+    printf '无法获取远程仓库默认分支: %s\n' "$repo" >&2
+    return 1
+  fi
+  printf '%s\n' "$branch"
+}
+fetch_repo() {
+  local repo="$1"
+  local dir="$2"
+  local branch="${3-}"
+  if [ -z "$branch" ]; then
+    branch="$(get_default_branch "$repo")"
+  fi
+  if [ -d "$dir" ]; then
+    git -C "$dir" rev-parse --is-inside-work-tree >/dev/null
+    git -C "$dir" remote set-url origin "$repo"
+    git -C "$dir" fetch origin "$branch"
+    git -C "$dir" checkout "$branch"
+    git -C "$dir" pull --ff-only origin "$branch"
+  else
+    git clone --branch "$branch" --single-branch "$repo" "$dir"
+  fi
+}
+fetch_repo_ex() {
+  local name="$1"
+  local branch="${2-}"
+  local repo="${remote_root}/${name}"
+  fetch_repo "$repo" "third_party/${name}" "$branch"
+}
+fetch_repo_ex "Structive"